Merge branch 'master' into upstream-fixes

13 files changed, 35 insertions, 45 deletions

diff --git a/include/asm-m68k/oplib.h b/include/asm-m68k/oplib.h
index c3594f473ef7..06caa2d08451 100644
--- a/include/asm-m68k/oplib.h
+++ b/include/asm-m68k/oplib.h
@@ -244,11 +244,6 @@ extern void prom_getstring(int node, char *prop, char *buf, int bufsize);
 /* Does the passed node have the given "name"? YES=1 NO=0 */
 extern int prom_nodematch(int thisnode, char *name);
 
-/* Puts in buffer a prom name in the form name@x,y or name (x for which_io
- * and y for first regs phys address
- */
-extern int prom_getname(int node, char *buf, int buflen);
-
 /* Search all siblings starting at the passed node for "name" matching
  * the given string.  Returns the node on success, zero on failure.
  */
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 36a3a85d611a..16040048cd1b 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -128,8 +128,13 @@ extern void account_system_vtime(struct task_struct *);
 
 #define nop() __asm__ __volatile__ ("nop")
 
-#define xchg(ptr,x) \
-  ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(void *)(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x)							  \
+({									  \
+	__typeof__(*(ptr)) __ret;					  \
+	__ret = (__typeof__(*(ptr)))					  \
+		__xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
+	__ret;								  \
+})
 
 static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
 {
diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h
index 4848057dafe4..5d0332a4c2bd 100644
--- a/include/asm-s390/timex.h
+++ b/include/asm-s390/timex.h
@@ -19,7 +19,7 @@ static inline cycles_t get_cycles(void)
 {
 	cycles_t cycles;
 
-	__asm__("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
+	__asm__ __volatile__ ("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
 	return cycles >> 2;
 }
 
@@ -27,7 +27,7 @@ static inline unsigned long long get_clock (void)
 {
 	unsigned long long clk;
 
-	__asm__("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+	__asm__ __volatile__ ("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
 	return clk;
 }
 
diff --git a/include/asm-sparc/oplib.h b/include/asm-sparc/oplib.h
index f283f8aaf6a9..91691e52c058 100644
--- a/include/asm-sparc/oplib.h
+++ b/include/asm-sparc/oplib.h
@@ -267,11 +267,6 @@ extern void prom_getstring(int node, char *prop, char *buf, int bufsize);
 /* Does the passed node have the given "name"? YES=1 NO=0 */
 extern int prom_nodematch(int thisnode, char *name);
 
-/* Puts in buffer a prom name in the form name@x,y or name (x for which_io 
- * and y for first regs phys address
- */
-extern int prom_getname(int node, char *buf, int buflen);
-
 /* Search all siblings starting at the passed node for "name" matching
  * the given string.  Returns the node on success, zero on failure.
  */
diff --git a/include/asm-sparc64/openprom.h b/include/asm-sparc64/openprom.h
index b4959d2b0d99..e01b80559c93 100644
--- a/include/asm-sparc64/openprom.h
+++ b/include/asm-sparc64/openprom.h
@@ -175,7 +175,7 @@ struct linux_nodeops {
 };
 
 /* More fun PROM structures for device probing. */
-#define PROMREG_MAX     16
+#define PROMREG_MAX     24
 #define PROMVADDR_MAX   16
 #define PROMINTR_MAX    15
 
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h
index a68b0bb05958..6a0da3b1695c 100644
--- a/include/asm-sparc64/oplib.h
+++ b/include/asm-sparc64/oplib.h
@@ -287,11 +287,6 @@ extern void prom_getstring(int node, const char *prop, char *buf, int bufsize);
 /* Does the passed node have the given "name"? YES=1 NO=0 */
 extern int prom_nodematch(int thisnode, const char *name);
 
-/* Puts in buffer a prom name in the form name@x,y or name (x for which_io 
- * and y for first regs phys address
- */
-extern int prom_getname(int node, char *buf, int buflen);
-
 /* Search all siblings starting at the passed node for "name" matching
  * the given string.  Returns the node on success, zero on failure.
  */
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 44a11f1ccaf2..8fb344a9abd8 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -48,7 +48,6 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb)
 {
 }
 #endif
-extern int current_in_cpu_hotplug(void);
 
 int cpu_up(unsigned int cpu);
 
@@ -61,10 +60,6 @@ static inline int register_cpu_notifier(struct notifier_block *nb)
 static inline void unregister_cpu_notifier(struct notifier_block *nb)
 {
 }
-static inline int current_in_cpu_hotplug(void)
-{
-	return 0;
-}
 
 #endif /* CONFIG_SMP */
 extern struct sysdev_class cpu_sysdev_class;
@@ -73,7 +68,6 @@ extern struct sysdev_class cpu_sysdev_class;
 /* Stop CPUs going up and down. */
 extern void lock_cpu_hotplug(void);
 extern void unlock_cpu_hotplug(void);
-extern int lock_cpu_hotplug_interruptible(void);
 #define hotcpu_notifier(fn, pri) {				\
 	static struct notifier_block fn##_nb =			\
 		{ .notifier_call = fn, .priority = pri };	\
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 76cc099c8580..75f02d8c6ed3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -924,10 +924,10 @@ static inline void netif_tx_lock_bh(struct net_device *dev)
 
 static inline int netif_tx_trylock(struct net_device *dev)
 {
-	int err = spin_trylock(&dev->_xmit_lock);
-	if (!err)
+	int ok = spin_trylock(&dev->_xmit_lock);
+	if (likely(ok))
 		dev->xmit_lock_owner = smp_processor_id();
-	return err;
+	return ok;
 }
 
 static inline void netif_tx_unlock(struct net_device *dev)
diff --git a/include/net/netdma.h b/include/net/netdma.h
index 19760eb131aa..ceae5ee85c04 100644
--- a/include/net/netdma.h
+++ b/include/net/netdma.h
@@ -37,7 +37,7 @@ static inline struct dma_chan *get_softnet_dma(void)
 }
 
 int dma_skb_copy_datagram_iovec(struct dma_chan* chan,
-		const struct sk_buff *skb, int offset, struct iovec *to,
+		struct sk_buff *skb, int offset, struct iovec *to,
 		size_t len, struct dma_pinned_list *pinned_list);
 
 #endif /* CONFIG_NET_DMA */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 5f69158c1006..e5aa7ff1f5b5 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -445,6 +445,7 @@ typedef struct sctp_sender_hb_info {
 	struct sctp_paramhdr param_hdr;
 	union sctp_addr daddr;
 	unsigned long sent_at;
+	__u64 hb_nonce;
 } __attribute__((packed)) sctp_sender_hb_info_t;
 
 /*
@@ -730,13 +731,10 @@ void sctp_init_addrs(struct sctp_chunk *, union sctp_addr *,
 const union sctp_addr *sctp_source(const struct sctp_chunk *chunk);
 
 /* This is a structure for holding either an IPv6 or an IPv4 address.  */
-/* sin_family -- AF_INET or AF_INET6
- * sin_port -- ordinary port number
- * sin_addr -- cast to either (struct in_addr) or (struct in6_addr)
- */
 struct sctp_sockaddr_entry {
 	struct list_head list;
 	union sctp_addr a;
+	__u8 use_as_src;
 };
 
 typedef struct sctp_chunk *(sctp_packet_phandler_t)(struct sctp_association *);
@@ -984,6 +982,9 @@ struct sctp_transport {
 		 */
 		char cacc_saw_newack;
 	} cacc;
+
+	/* 64-bit random number sent with heartbeat. */
+	__u64 hb_nonce;
 };
 
 struct sctp_transport *sctp_transport_new(const union sctp_addr *,
@@ -1138,7 +1139,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
 			sctp_scope_t scope, gfp_t gfp,
 			int flags);
 int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
-		       gfp_t gfp);
+		       __u8 use_as_src, gfp_t gfp);
 int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *);
 int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *,
 			 struct sctp_sock *);
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 8a6bef6f91eb..1b7aae6cdd82 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -560,9 +560,18 @@ struct sctp_paddrinfo {
 } __attribute__((packed, aligned(4)));
 
 /* Peer addresses's state. */
+/* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x]
+ * calls.
+ * UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters.
+ *              Not yet confirmed by a heartbeat and not available for data
+ *		transfers.
+ * ACTIVE : Peer address confirmed, active and available for data transfers.
+ * INACTIVE: Peer address inactive and not available for data transfers.
+ */
 enum sctp_spinfo_state {
 	SCTP_INACTIVE,
 	SCTP_ACTIVE,
+	SCTP_UNCONFIRMED,
 	SCTP_UNKNOWN = 0xffff  /* Value used for transport state unknown */
 };
 
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 371f70d9aa92..58e6444eebee 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -58,9 +58,7 @@ struct scsi_cmnd {
 	int timeout_per_command;
 
 	unsigned char cmd_len;
-	unsigned char old_cmd_len;
 	enum dma_data_direction sc_data_direction;
-	enum dma_data_direction sc_old_data_direction;
 
 	/* These elements define the operation we are about to perform */
 #define MAX_COMMAND_SIZE	16
@@ -71,18 +69,11 @@ struct scsi_cmnd {
 	void *request_buffer;		/* Actual requested buffer */
 
 	/* These elements define the operation we ultimately want to perform */
-	unsigned char data_cmnd[MAX_COMMAND_SIZE];
-	unsigned short old_use_sg;	/* We save  use_sg here when requesting
-					 * sense info */
 	unsigned short use_sg;	/* Number of pieces of scatter-gather */
 	unsigned short sglist_len;	/* size of malloc'd scatter-gather list */
-	unsigned bufflen;	/* Size of data buffer */
-	void *buffer;		/* Data buffer */
 
 	unsigned underflow;	/* Return error if less than
 				   this amount is transferred */
-	unsigned old_underflow;	/* save underflow here when reusing the
-				 * command for error handling */
 
 	unsigned transfersize;	/* How much we are guaranteed to
 				   transfer with each SCSI transfer
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index e3c503cd175e..6cc2314098cf 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -106,6 +106,7 @@ struct sas_end_device {
 
 struct sas_expander_device {
 	int    level;
+	int    next_port_id;
 
 	#define SAS_EXPANDER_VENDOR_ID_LEN	8
 	char   vendor_id[SAS_EXPANDER_VENDOR_ID_LEN+1];
@@ -127,8 +128,10 @@ struct sas_expander_device {
 struct sas_port {
 	struct device		dev;
 
-	u8			port_identifier;
+	int			port_identifier;
 	int			num_phys;
+	/* port flags */
+	unsigned int		is_backlink:1;
 
 	/* the other end of the link */
 	struct sas_rphy		*rphy;
@@ -168,11 +171,13 @@ extern void sas_rphy_delete(struct sas_rphy *);
 extern int scsi_is_sas_rphy(const struct device *);
 
 struct sas_port *sas_port_alloc(struct device *, int);
+struct sas_port *sas_port_alloc_num(struct device *);
 int sas_port_add(struct sas_port *);
 void sas_port_free(struct sas_port *);
 void sas_port_delete(struct sas_port *);
 void sas_port_add_phy(struct sas_port *, struct sas_phy *);
 void sas_port_delete_phy(struct sas_port *, struct sas_phy *);
+void sas_port_mark_backlink(struct sas_port *);
 int scsi_is_sas_port(const struct device *);
 
 extern struct scsi_transport_template *